Top Definition
The undefined word given to Jack Black as a sloppy birthmark of which became the beginning of the band name 'Tenacious D'. Kyle Gass owns the other birthmark which states 'ious D'.
Tenac + ious D = Tenacious D
by Tom Brinkman November 25, 2006
A birthmark on Jack Black's right ass cheek
you can look it up in the dictionary, it won't be there.
Tenac, a sign, a legacy.
by sebastiancee November 03, 2007
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.